zimmerman. but unlike martin's parents, ron davis tells me he does not believe race played factor in his son's death. >> i don't think -- it just happened to be an african-american child and a non-african-american person that pulled the trigger. i think that's the only comparison. i don't think the reason is the same. i think the reason for this gentleman was strictly anger and having the availability of a weapon. >> so your focus is on these guns. >> yes. >> your t-shirt even. show us this. >> yes. it says "kill guns, not kids." so we have to kill these gun laws. law enforcement has been trained. their the only ones i feel that should have guns in public. >> reporter: police arrested dunn a day later at his home after he fled the scene. the shooting puts florida's controversial stand your ground laws back in the spotlight, a law ron davis is determined to change. >> i'm going to focus on getting the weapons out of the hands that people haven't been trained to use. >> and dunn's attorney says sh